But allowing autonomous commercial drones to deliver customers' parcels in cities would cross a perception threshold.
但允许自动商用无人机在城市递送客户包裹将跨越一个认知门槛。
Objective To develope a new instrument with a pressure sensitive strain gauge for measuring the pain perception threshold of oral mucosa.
目的研制电阻应变式口腔黏膜压力测痛仪，并对正常年轻人的牙龈黏膜疼痛阈进行测试。
Linear correlation analysis showed that the gastric perception threshold decreased in concordance with the increase of degranulation of 5-ht-positive cells.
直线相关分析显示，5 - HT阳性细胞释放介质越多，胃感知阈值越低。
The average of intensities of the maximum stimulus not causing arousal and the minimum stimulus causing arousal is considered as current perception threshold.
被试的电流感觉阈值可以定义为无皮肤电流响应时所接受的最大刺激强度和有皮肤电流响应时所接受的最小刺激强度的平均值。
Vibration perception threshold was complete and the patients were grouped into high-risk group, middle-risk group and low-risk group according to the result of vibration perception threshold.
作震动感觉阈值检查，并根据震动感觉阈值检测结果将其分为高危组、中危组和低危组。
Vibration perception threshold was complete and the patients were grouped into high-risk group, middle-risk group and low-risk group according to the result of vibration perception threshold.
作震动感觉阈值检查，并根据震动感觉阈值检测结果将其分为高危组、中危组和低危组。
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